The RNT Foundation is a public benefit scientific and educational charity, 501(c)3
Protect the Frequencies – By preventing interference
Toughen Receivers – With readily available technology
Augment Services – With difficult to disrupt terrestrial signals
What to do? Some recommendations.
eNewsletter Archives
From Our Blog
Iran nailed Starlink by spoofing GPS – Forbes
Image: Copilot AI What's new: Information that Iran used GPS spoofing to interfere with Starlink's service in that country. Why it's important: It is another great example of how systems you might not expect depend upon GPS and the vulnerabilities that introduces....
GPS Needs a Backup – Letter to the Editor, Washington Post
Image: Shutterstock What's new: A letter from RNT Foundation members Gen. William Shelton, and CAPT Dana A. Goward to the Washington Post commenting on an article they published at the beginning of the year. Why it's important: From our perspective, the issue is not...
New Asst Secretary of Defense for Space Policy is PNT Expert
Image: Marc Berkowitz at Senate confirmation hearing (screenshot) What's new: The Hon. Mark J. Berkowitz is the new Assistant Secretary of Defense for Space Policy. Why it's important: Mr. Berkowitz is well versed on GPS vulnerability and other PNT issues. In 2024 he...
GPS is key to the global economy. It’s also surprisingly easy to attack. – Washington Post
Image: Shutterstock What's new: A summary/ overview article of GPS' importance and vulnerability in the Washington Post. Why its important: The primary challenge to PNT resilience in the U.S. is lack of leadership focus and effort. While "the Post" is not the most...
Dark Fleet Spoofing – Inside GNSS
Image: Shutterstock What's new: A "European perspective" from my colleague Peter Gutierrez at Inside GNSS. Why it's important: Peter makes a number of important points: "The AIS spoofing incident is not an isolated incident but part of a broader signal-integrity...



















